CN1897516A - Wireless resource allocation of multi-carrier telecommunication system - Google Patents
Wireless resource allocation of multi-carrier telecommunication system Download PDFInfo
- Publication number
- CN1897516A CN1897516A CNA2005100831720A CN200510083172A CN1897516A CN 1897516 A CN1897516 A CN 1897516A CN A2005100831720 A CNA2005100831720 A CN A2005100831720A CN 200510083172 A CN200510083172 A CN 200510083172A CN 1897516 A CN1897516 A CN 1897516A
- Authority
- CN
- China
- Prior art keywords
- carrier wave
- code channel
- terminal
- carrier
- descending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The method comprises: the terminal reports its downlink access capacity to the network side; the downlink access capacity comprises the downlink time slot number M maximally supported by each sub-frame and the carrier number N supported by terminal. According to the following principal the network side allocates the downlink code channel resources for the terminal: all code channels of SF16 are allocated to one carrier, and the code channel resources of SF1 are allocated to each carrier.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of wireless resource allocation methods of multi-carrier communications systems.
Background technology
In the existing communication system, normally on a carrier wave of a sub-district, to give the user terminal Resources allocation.Promptly distributing to code channel resource corresponding in all time slots of a user terminal and the time slot in a sub-district must be all on same carrier wave.With TD-SCDMA is example, and a subframe comprises TS0-TS6 totally 7 time slots, and the code channel that the code channel that in each time slot 16 spreading factors to be arranged be 16 (SF=16) or 1 spreading factor are 1 (SF=1) can be for distributing.
The whole Radio Resources that are dispensed to a user terminal are limited.For descending, because TS0 is a descending time slot, be used for broadcast system information, usually can not distribute to user terminal as service resources, therefore network side is set to descending time slot to 5 time slots (TS2 to TS6) in the subframe at the most, and all code channel resources in 5 time slots are all distributed to a terminal.According to 3GPP R4 standard, the user terminal maximum of use TD-SCDMA technology can be supported the downstream data rate of 2Mbps, and according to 3GPP R5 standard, the user terminal maximum of use TD-SCDMA technology can be supported the downstream data rate of about 2.8Mbps.Yet,, need system that higher transmission rate is provided for many data service such as video, Streaming Media and downloads etc. that flow is had relatively high expectations.
In order further to improve the maximum data rate that the TD-SCDMA terminal can be supported, can adopt the multi-carrier mode distributing radio resource, promptly in a sub-district, distribute Radio Resource on a plurality of carrier waves simultaneously to a terminal.Under the situation of distributing 3 carrier waves, if 5 time slots (TS2 to TS6) of each carrier wave all are set to descending time slot, and all code channel resources in these 5 time slots are all distributed to a terminal, then use the terminal of TD-SCDMA multi-carrier mode can be on the basis of 3GPP R5 standard, support the downstream data rate of the most about 8.4Mbps.
Patent application document 01802125.5 discloses a kind of multi-carrier communication apparatus, and it comprises: transform component is transformed into the information signal that the multisequencing spread processing is crossed with the information signal of a sequence; Generate parts, the information signal that described multisequencing spread processing is crossed overlaps respectively on the intrinsic carrier wave of sequence and generates multi-carrier signal; The peak power detection parts detect the peak power of described multi-carrier signal; And transmit block, only send the multi-carrier signal of described peak power below threshold value.Foregoing invention can suppress the decline of efficiency of transmission and the peak power that suppresses multi-carrier signal.But, when network side is given the user terminal Resources allocation, exist user terminal not support the incident of described radio-resource-configuration scheme.Such as, described user terminal adopts simplified design, and network side reckons without these particular provisions of user terminal, and distributing radio resource is to described user terminal, be easy to take place described terminal and do not support described radio-resource-configuration scheme, cause consequences such as data transmission fails thus.
HSDPA (high speed downlink packet access) technology is that 3GPP is organized in a kind of technology of introducing in the R5 version.HSDPA not only supports the asymmetric data, services of high speed, and operator's input cost is minimized.It is UMTS (Universal Mobile Telecommunications System: UniversalMobile Telecommunications System) more high data rate and more high power capacity an evolution approach stably is provided.When network side is used in the HSDPA resource of this terminal data transmission to the user terminal branch, exist user terminal not support the incident of described resource allocation proposal to take place equally, cause the consequence of follow-up downlink data transmission failure thus.
Summary of the invention
The object of the present invention is to provide a kind of wireless resource allocation methods of multi-carrier communications systems, when solving that network side is given the user terminal Resources allocation in the prior art, exist user terminal not support the incident of described radio-resource-configuration scheme to take place, cause follow-up consequences such as data transmission fails thus.
For addressing the above problem, the invention discloses a kind of wireless resource allocation methods of multi-carrier communications systems, comprise: terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of the single carrier wave of each subframe counts the carrier number N that M, terminal support to network side; The network side joint according to following principle to the descending code channel resource of terminal distribution: the code channel of SF16 all is distributed on the same carrier wave.
Network side is when the descending code channel resource of terminal distribution, and the code channel resource of the SF1 of distribution can be on each carrier wave, but the maximum quantity allotted of SF1 code channel is M on each carrier wave.And the code channel resource that is dispensed to SF1 is as far as possible on a carrier wave.
The maximum allocated quantity of the code channel of SF16 is M*P, and described M is that the maximum descending time slot of supporting of the single carrier wave of each subframe is counted M, and described P is the maximum code channel number of supporting of each descending time slot.
The invention also discloses the wireless resource allocation methods of another kind of multi-carrier communications systems, be used for the HSDPA packet data transmission, comprise: terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of the single carrier wave of each subframe counts the carrier number N that M, terminal support to network side; The network side joint according to following principle to the descending code channel resource of terminal distribution: the control channel that is used for the HSDPA transmission all is distributed in same carrier wave; And if the code channel of SF16 of having given described terminal distribution, then the code channel of SF16 is all on this carrier wave.
Network side is when the descending code channel resource of terminal distribution, and the code channel resource of the SF1 of distribution can be on each carrier wave, but the maximum quantity allotted of SF1 code channel is M in every carrier wave.
The Traffic Channel that is used for the HSDPA packet data transmission can be distributed in each carrier wave that user terminal is supported, if certain Traffic Channel that is used for the HSDPA packet data transmission is different with the carrier wave at the control channel place that is used for the HSDPA packet data transmission, then this Traffic Channel spreading factor is 1, and the maximum allocated quantity of Traffic Channel is M on the carrier wave of place.The Traffic Channel that is used for the HSDPA packet data transmission is distributed in same carrier wave as far as possible.
Compared with prior art, the present invention has the following advantages: the wireless resource allocation methods of multi-carrier communications systems provided by the invention, not only improve downlink transmission data rate, and avoid adopting the user terminal of simplified design not support the incident of described radio-resource-configuration scheme to take place.
Description of drawings
Fig. 1 is the flow chart of the wireless resource allocation methods of multi-carrier communications systems of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specify the present invention.
The existence when arriving the receiver of a user terminal of the signal of the different code channels of same time slot interferes with each other, and this interference belongs to multiple access and disturbs (MAI).And the signal of same code channel owing to exist those signals when too much the bar propagation path arrives the receiver of user terminal with different time, exists between the signal that different time arrives and disturbs, and this interference is called intersymbol interference (ISI).Associated detection technique is used for eliminating MAI and ISI.If certain descending time slot used SF16, then there is the code channel of 16 SF16 can be in this time slot at most for distribution to one or more users; If certain descending time slot has used SF1, then there is the code channel of 1 SF1 can supply to distribute in this time slot at most.Obviously, for this mode of SF1,, be not have MAI's in the sub-district owing to only a code channel is arranged.Though can come processing configuration with the processing mode identical with the time slot that is configured to SF16 is the time slot of SF1, in fact for the method for salary distribution of SF1, joint detection algorithm exists the leeway of simplification; Can come the time slot of treatment S F1 in other words with simpler demodulating algorithm.
For this reason, the terminal of supporting to adopt the multi-carrier mode distributing radio resource only is supported in and supports SF1 and two kinds of spreading factors of SF16 on the carrier wave, and only support this spreading factor of SF1 on all the other carrier waves from simplifying design point of view.Because the channel of a SF1 has and 16 essentially identical capacity of SF16 channel, such simplified design can't reduce the data rate that terminal can be supported.
If according to existing Resources allocation mode, network side can distribute this spreading factor of SF16 most probably on a plurality of carrier waves, makes terminal can't support such allocation of radio resources and causes resource allocation to be failed.
For instance, suppose the current terminal of supporting the multicarrier receive mode that has, the descending carrier number of its support is 3, and the maximum descending time slot number of supporting of the single carrier wave of each subframe is 5, the minimal frequency spreading factor of its support is 1, and the maximum code channel number of supporting of each descending time slot is 16.This terminal is sent out from simplified design, in fact only is supported in to distribute SF16 or SF1 on maximum 5 time slots of a carrier wave, and can only carries out the demodulation of SF1 channel on maximum 10 time slots of two other carrier wave.
When under the requirement of this terminal at network be 3 with the descending carrier number of its support, the maximum descending time slot number of supporting of each subframe is 5, the minimal frequency spreading factor of its support is 1, the maximum code channel number of supporting of each descending time slot is that network can be given the Radio Resource of terminal distribution according to these ability information after capability reports such as 16 were given network.If distributed 3 descending carriers, each carrier wave all distributes 5 descending time slots, and each time slot all distributes the code channel of 1 SF1, and then terminal can be supported this configuration; But if network allocation 3 descending carriers, each carrier wave all distributes 5 descending time slots, each time slot all distributes the code channel of 16 SF16, has then exceeded the ability of this simplification terminal, causes allocation of radio resources failure.
For this reason, the invention provides a kind of wireless resource allocation methods (seeing also Fig. 1) of multi-carrier communications systems by the Resource Allocation Formula that user terminal network enabled side is carried out in order to carry out at above-mentioned user terminal under the situation of some simplified design, can also to make.It comprises:
S110: terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of the single carrier wave of each subframe counts the carrier number N that M, terminal support to network side;
S120: the network side joint according to following principle to the descending code channel resource of terminal distribution: the code channel of SF16 all is distributed on the same carrier wave.
From the above, the code channel of SF16 all is distributed on the same carrier wave, the handling process of in the time of can reducing user terminal and carry out Data Receiving data being disturbed, and also satisfied and adopted the support of the user terminal of simplified design to the Resources allocation scheme.
And network side is when the descending code channel resource of terminal distribution, and the code channel resource of the SF1 of distribution can be on each carrier wave, but the maximum quantity allotted of SF1 code channel is M on each carrier wave.But consider the situation that user terminal receives data, when giving same user terminal Resources allocation, be distributed in as much as possible on the same carrier wave.
And the maximum allocated quantity of the code channel of SF16 is M*P, and described M is the maximum descending time slot number of supporting of each subframe, and P is the maximum code channel number of supporting of each descending time slot.
Below be example just with HSDPA distribute data transmission course, the allocation of radio resources that is used for the HSDPA packet data transmission is described.
At first, determine to be used for HSDPA channel transmitted resource: A in the sub-district: determine that the sub-district is used for the channel resource number of HSDPA; B: the channel resource number that requires according to steps A finds N carrier wave from the sub-district, a described N carrier resource is formed the HSDPA channel resource of this sub-district; C: with the HSDPA channel resource allocation of this sub-district is HS-DSCH channel and uplink/downlink control channel;
Then, when user terminal was initiated the HSDPA request, whether network side was supported the resource situation of professional and this sub-district of HADPA to determine whether to allow described user terminal to carry out the HSDPA transmission according to this sub-district;
Subsequently, when user terminal initiation HSDPA request is allowed to, network side is according to the descending access capability of user terminal to send up, distributes the HS-DSCH channel that this terminal uses for described user terminal and needs HS-SCCH channel that this terminal monitors and the HS-SICH channel of pairing:
Terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of each subframe counts the carrier number N that M, terminal support to network side;
The network side joint according to following principle to the descending code channel resource of terminal distribution: the control channel that is used for the HSDPA transmission all is distributed in same carrier wave as much as possible, and if the code channel of SF16 of having given terminal distribution, then the code channel of SF16 is all on this carrier wave.
The Traffic Channel that is used for the HSDPA packet data transmission can be distributed in each carrier wave that user terminal is supported, if certain Traffic Channel that is used for the HSDPA packet data transmission is different with the carrier wave at the control channel place that is used for the HSDPA packet data transmission, then this Traffic Channel factor is 1, and the maximum allocated quantity of Traffic Channel is M on this carrier wave of place.
In fact, being dispensed to the control channel of a user terminal and Traffic Channel is respectively shared control channel and all or part of channel of shared service channel that this sub-district is used for the HSDPA transmission.And the Traffic Channel that is used for the HSDPA packet data transmission of distributing for same user terminal is distributed in same carrier wave as far as possible.
In follow-up data transmission procedure, the transmission data answering information that network side reports by ascending control channel according to each user terminal and the channel quality indication of user terminal, select the user terminal of service next time and the channel resource and the transformat of employing, and send described control information by down control channel; Network side sends data to this user terminal by the HS-DSCH channel.
This group data transmission method not only can improve the data rate of downlink transfer, and can make the user terminal support resource allocative decision that has adopted simplified design.In addition, if the simplified design that user terminal adopts is that code channel resource with SF=16 is on a carrier wave, and the code channel resource of SF=1 can be positioned at each carrier wave, then user terminal can adopt the joint detection algorithm of simplification to decode in the reception data procedures, reduces user terminal and receives complexity of data.
More than disclosed only be a specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop in protection scope of the present invention.
Claims (8)
1, a kind of wireless resource allocation methods of multi-carrier communications systems is characterized in that, comprising:
Terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of the single carrier wave of each subframe counts the carrier number N that M, terminal support to network side;
The network side joint according to following principle to the descending code channel resource of terminal distribution: the code channel of SF16 all is distributed on the same carrier wave.
2, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 1, it is characterized in that, network side is when the descending code channel resource of terminal distribution, and the code channel resource of the SF1 of distribution can be on each carrier wave, but the maximum quantity allotted of SF1 code channel is M on each carrier wave.
3, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 2 is characterized in that, the code channel resource that is dispensed to SF1 is as far as possible on a carrier wave.
4, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 1, it is characterized in that, the maximum allocated quantity of the code channel of SF16 is M*P, and described M is the maximum descending time slot number of supporting of each subframe, and described P is the maximum code channel number of supporting of each descending time slot.
5, a kind of wireless resource allocation methods of multi-carrier communications systems is used for the HSDPA packet data transmission, it is characterized in that, comprising:
Terminal reports the descending access capability of this terminal, described descending access capability to comprise that the maximum descending time slot of supporting of the single carrier wave of each subframe counts the carrier number N that M, terminal support to network side;
The network side joint according to following principle to the descending code channel resource of terminal distribution: the control channel that is used for the HSDPA transmission all is distributed in same carrier wave; And if the code channel of SF16 of having given described terminal distribution, then the code channel of SF16 is all on this carrier wave.
6, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 5, it is characterized in that, network side is when the descending code channel resource of terminal distribution, and the code channel resource of the SF1 of distribution can be on each carrier wave, but the maximum quantity allotted of SF1 code channel is M in every carrier wave.
7, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 6, it is characterized in that, the Traffic Channel that is used for the HSDPA packet data transmission can be distributed in each carrier wave that user terminal is supported, if certain Traffic Channel that is used for the HSDPA packet data transmission is different with the carrier wave at the control channel place that is used for the HSDPA packet data transmission, then this Traffic Channel spreading factor is 1, and the maximum allocated quantity of Traffic Channel is M on the carrier wave of place.
8, the wireless resource allocation methods of multi-carrier communications systems as claimed in claim 7 is characterized in that, the Traffic Channel that is used for the HSDPA packet data transmission is distributed in same carrier wave as far as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100831720A CN100566229C (en) | 2005-07-13 | 2005-07-13 | The wireless resource allocation methods of multi-carrier communications systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100831720A CN100566229C (en) | 2005-07-13 | 2005-07-13 | The wireless resource allocation methods of multi-carrier communications systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1897516A true CN1897516A (en) | 2007-01-17 |
| CN100566229C CN100566229C (en) | 2009-12-02 |
Family
ID=37609905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100831720A Active CN100566229C (en) | 2005-07-13 | 2005-07-13 | The wireless resource allocation methods of multi-carrier communications systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100566229C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009117954A1 (en) * | 2008-03-25 | 2009-10-01 | 华为技术有限公司 | Method for reporting the terminal capability information, method, apparatus for allocating time slot resource and system therrof |
| CN102209356A (en) * | 2010-03-30 | 2011-10-05 | 中兴通讯股份有限公司 | Method for transmitting terminal capability and repositioning and inter-system switching methods and systems |
| CN102256300A (en) * | 2010-05-21 | 2011-11-23 | 中兴通讯股份有限公司 | Method for informing and acquiring UE (User Equipment) supporting capability, UE and RNC (Radio Network Controller) |
| CN102291781A (en) * | 2010-06-18 | 2011-12-21 | 中兴通讯股份有限公司 | Method and system for obtaining use equipment (UE) types in multi-carrier network |
| CN101389054B (en) * | 2007-09-11 | 2012-07-04 | 电信科学技术研究院 | Multi-carrier resource allocation method, system and a network side |
| CN102210181B (en) * | 2008-11-07 | 2014-04-09 | 株式会社Ntt都科摩 | Wireless base station |
-
2005
- 2005-07-13 CN CNB2005100831720A patent/CN100566229C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389054B (en) * | 2007-09-11 | 2012-07-04 | 电信科学技术研究院 | Multi-carrier resource allocation method, system and a network side |
| WO2009117954A1 (en) * | 2008-03-25 | 2009-10-01 | 华为技术有限公司 | Method for reporting the terminal capability information, method, apparatus for allocating time slot resource and system therrof |
| CN101547433B (en) * | 2008-03-25 | 2013-02-13 | 华为技术有限公司 | Method for reporting terminal capacity information, method for distributing slot resources, devices and systems |
| CN102210181B (en) * | 2008-11-07 | 2014-04-09 | 株式会社Ntt都科摩 | Wireless base station |
| CN102209356A (en) * | 2010-03-30 | 2011-10-05 | 中兴通讯股份有限公司 | Method for transmitting terminal capability and repositioning and inter-system switching methods and systems |
| CN102256300A (en) * | 2010-05-21 | 2011-11-23 | 中兴通讯股份有限公司 | Method for informing and acquiring UE (User Equipment) supporting capability, UE and RNC (Radio Network Controller) |
| CN102291781A (en) * | 2010-06-18 | 2011-12-21 | 中兴通讯股份有限公司 | Method and system for obtaining use equipment (UE) types in multi-carrier network |
| CN102291781B (en) * | 2010-06-18 | 2016-06-29 | 中兴通讯股份有限公司 | A kind of multicarrier network is learned the method and system of UE kind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100566229C (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100574177C (en) | The distribution method of multi-carrier HSDPA control channel and group data transmission method | |
| AU2005308576B2 (en) | Method and apparatus to optimize paging in a flexible multi-carrier system | |
| US8072920B2 (en) | Method for signaling resource assignment information in a frequency division multiple access system | |
| CN101911789B (en) | Mobile communication system, control apparatus and method | |
| KR100929094B1 (en) | System and method for dynamic resource allocation in a communication system using orthogonal frequency division multiple access scheme | |
| KR100995050B1 (en) | A method of configuring wireless resource for effective and efficient transmission in a wireless communication system | |
| US8081696B2 (en) | Method and apparatus for multi-carrier HSDPA traffic transmission channel coding | |
| CN100512093C (en) | Multi-carrier-wave communication system TSO time-slot resource distribution method and grouped data transmission method | |
| JP5088506B2 (en) | Physical resource management method and physical resource management apparatus in broadband communication system | |
| CN1917409A (en) | Method for extending channel of shared data in HSDPA communication system in multiple frequency points | |
| CN1893341A (en) | Multi-carrier-wave IISDPA channel setting-up method and multi-carrier-wave down-converter grouped data transmission method | |
| JP5281162B2 (en) | Method and associated apparatus for allocating communication bandwidth | |
| WO2006077696A1 (en) | Wireless communication apparatus, mobile terminal and wireless communication method | |
| CN1893343A (en) | Multi-carrier-wave IISDPA down-converter business channel resource distribution and data transmission method | |
| CN1400805A (en) | Movable communication system, base station equipment and movable communication system controlling method | |
| CN100566229C (en) | The wireless resource allocation methods of multi-carrier communications systems | |
| CN101064559A (en) | Resource distribution method and system | |
| CN101578903A (en) | Base station device and communication control method | |
| JP2012502545A5 (en) | ||
| CN1968511A (en) | Method and system for random access resource allocation in wireless network | |
| CN1968050A (en) | Physical channel collocating method of time division synchronization code division multiple access system | |
| SE531057C2 (en) | Communication system and procedure for managing resources in a wireless communication system | |
| CN1965516A (en) | Multicarrier transmitter apparatus, multicarrier receiver apparatus, multicarrier transmitting method, and multicarrier receiving method | |
| CN1441564A (en) | Base station and radio resource distribution method | |
| CN102932922A (en) | Method and system for carrier aggregation in 3G (The 3rd Generation Telecommunication) network and 4G (The 4th Generation Telecommunication) network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |